Senior/Staff DeFi Engineer
Ethena Labs
This job is no longer accepting applications
See open jobs at Ethena Labs.See open jobs similar to "Senior/Staff DeFi Engineer" Blockchain Association.What You'll Do
- Architect and deliver core DeFi protocols: including staking, stablecoin integrations, and liquidity systems, ensuring deployments are secure, gas-efficient, and aligned with product roadmaps
- Lead cross-chain infrastructure development in bridging, messaging, LayerZero/LZCompose, and paymasters to ensure seamless UX with high reliability across supported chains
- Partner with Security Engineering to design and deliver modern, robust multisig/on-chain monitoring and tooling solutions
- Enforce robust security practices by implementing audits, fuzzing, invariant testing, and incident playbooks with 100% patching of high-severity issues within industry timelines
- Collaborate with Trading & Risk Engineering to integrate market data, liquidity signals, and execution systems into DeFi flows, enabling safe automation of critical operations
- Own end-to-end lifecycle of DeFi products from whitepaper/spec to contract implementation, deployment, monitoring, and upgrades while maintaining 99.9% uptime for critical contracts
- Drive innovation in stablecoin infrastructure by delivering new products in partnership with external stakeholders
- Mentor junior and senior engineers, raising the team's DeFi depth and execution velocity while documenting learnings and establishing reusable frameworks
What We're Looking For
- DeFi Protocol Expertise: Deep knowledge of smart contract patterns, staking, AMMs, stablecoins, bridges, governance, and liquidation mechanics
- EVM Smart Contract Development: Proficiency in Solidity and EVM patterns with experience in advanced tools (Foundry, Tenderly, Slither, Echidna)
- Solana Smart Contract Development: Proficiency in Rust and Solana patterns with experience in advanced tools (Anchor, SPL)
- System Design & Architecture: Ability to design scalable, gas-efficient, and upgradeable DeFi systems that balance modularity with reliability
- Security-First Engineering: Experience anticipating vulnerabilities and applying formal verification, audits, fuzzing, and invariant testing
- Cross-Chain Infrastructure: Practical experience with messaging protocols (LayerZero, Axelar, native bridges), paymasters, and multi-chain state sync
This job is no longer accepting applications
See open jobs at Ethena Labs.See open jobs similar to "Senior/Staff DeFi Engineer" Blockchain Association.